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<title>Module atmos_dust_mod</title>
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<a name="TOP"></a><font class="header" size="1"><a href="#PUBLIC INTERFACE">PUBLIC INTERFACE </a>~
          <a href="#PUBLIC DATA">PUBLIC DATA </a>~
          <a href="#PUBLIC ROUTINES">PUBLIC ROUTINES </a>~
          <a href="#NAMELIST">NAMELIST </a>~
          <a href="#DIAGNOSTIC FIELDS">DIAGNOSTIC FIELDS </a>~
          <a href="#ERROR MESSAGES">ERROR MESSAGES </a>~
          <a href="#REFERENCES">REFERENCES </a>~ 
          <a href="#NOTES">NOTES</a></font>
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<h2>Module atmos_dust_mod</h2>
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<b>Contact:&nbsp;</b><a href="mailto:Paul.Ginouxe@noaa.gov">   Paul Ginoux </a>
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<b>Reviewers:&nbsp;</b>
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<b>Change History:&nbsp;</b><a href="http://www.gfdl.noaa.gov/fms-cgi-bin/cvsweb.cgi/FMS/atmos/shared/tracer_driver">WebCVS Log</a>
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<h4>OVERVIEW</h4>
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<div>   This module evaluates the change of mass mixing ratio for mineral dust
   particles due to their emission from preferential sources, and the removal
   by gravitational settling. The dust particles are transported as dry
   particles. No hygroscopic growth is considered.
   The size distribution of sea salt ranges from 0.1 to 10 um (dry radius)
   and is divided into 5 bins. For each bin, the volume size distribution
   dV/dlnr is considered constant. </div>
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<h4>OTHER MODULES USED</h4>
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<pre>                   fms_mod<br>          time_manager_mod<br>          diag_manager_mod<br>        tracer_manager_mod<br>         field_manager_mod<br>atmos_tracer_utilities_mod<br>             constants_mod</pre>
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<h4>PUBLIC INTERFACE</h4>
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<dt>
<a href="#atmos_dust_sourcesink">atmos_dust_sourcesink</a>:</dt>
<dd>   The routine that calculate the sources and sinks of dust. </dd>
<dt>
<a href="#atmos_dust_init">atmos_dust_init</a>:</dt>
<dd>   The constructor routine for the dust module. </dd>
<dt>
<a href="#atmos_dust_end">atmos_dust_end</a>:</dt>
<dd>   The destructor routine for the dust module. </dd>
<dt>
<a href="#dust_source_input">dust_source_input</a>:</dt>
<dd>   This subroutine read the fraction of dust source at each grid cell
   based on Ginoux et al. (JGR, 2001). This source function is
   considered invariant in time (no change in topography and vegetation). </dd>
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<h4>PUBLIC DATA</h4>
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<div>None.<br>
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<h4>PUBLIC ROUTINES</h4>
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<h4>atmos_dust_sourcesink</h4>
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<dt>
<b>DESCRIPTION</b>
</dt>
<dd></dd>
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</dl>
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<h4>atmos_dust_init</h4>
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<dt>
<b>DESCRIPTION</b>
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<dd></dd>
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</dl>
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<h4>atmos_dust_end</h4>
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<dt>
<b>DESCRIPTION</b>
</dt>
<dd></dd>
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</dl>
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<h4>dust_source_input</h4>
<dl>
<dt>
<b>DESCRIPTION</b>
</dt>
<dd></dd>
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</dl>
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<h4>DATA SETS</h4>
<div>None.<br>
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<h4>ERROR MESSAGES</h4>
<div>None.<br>
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